CobZorb® Store +3 CobZorb® Paint Hardener 4.5 lb. Box CZP-box 4.5-DS $9.99 In stock Quantity: 1 Add to Bag Product Details UPC: 705105763071 Brand: CobZorb Made of a highly absorbent, all natural corn bi-product. For use on all latex and acrylic paints (water based only). Complies with laws regarding proper disposal of paint. Hardens more than 3 gallons of Paint per box Non-Toxic, All Natural and Biodegradable 4.5 lb box Save this product for later Favorite